Buscar
Itens para a visualização no momento 2121-2130 of 3386
Avaliação do uso de semicondutores de nitreto de gálio no estágio de controle de potência de uma luminária LED para iluminação pública
(Universidade Federal de Santa Maria, 2022-08-31)
This work presents a comparative analysis in terms of efficiency and losses estimation between a power control (PC) stage of a commercial LED luminaire, which uses Silicon (Si) transistors, with respect to two prototypes ...
Análise e desenvolvimento de um sistema de transferência de energia sem fio aplicado na recarga de veículos elétricos
(Universidade Federal de Santa Maria, 2022-08-29)
Technologies related to the electrification of means of transport have been gaining
ground in recent years. This development is motivated by environmental and economic
factors. Among the technologies explored, the main ...
Estratégia de gerenciamento energético consciente da degradação das baterias de veículos elétricos em estacionamentos inteligentes
(Universidade Federal de Santa Maria, 2022-09-08)
The combination of electric vehicles bidirectional characteristic along with distributed energy
resources follows a trend in energy management strategies. However, additional charging and
discharging cycles, treated here ...
Estudo comparativo de controladores de tensão aplicados a inversores monofásicos
(Universidade Federal de Santa Maria, 2022-07-27)
This work presents a comparative study between control strategies for the output
voltage of inverters. The proposed controllers are applied to the output stage of an Uninterruptible Power Supply (UPS) single-phase. Three ...
Projeto e implementação de um controle modular HCC para integração de fontes alternativas de energia
(Universidade Federal de Santa Maria, 2006-02-24)
The experience of electric energy shortage in 2001 demonstrated that our dependence almost exclusively on hydroelectricity could fetch great problems to Brazil. Thus being, the existence of trustworthy alternatives of ...
Sistema de controle gerencial como ferramenta auxiliar na gestão pública
(Universidade Federal de Santa Maria, 2006-03-09)
The present assignment introduce an analysis of the process of planning and control on applying of the resources developed on Executive Possessions from the twelve municipalities (cities) of northwest region of Rio Grande ...
Comunicação do planejamento estratégico: um estudo de caso em uma indústria de bebidas
(Universidade Federal de Santa Maria, 2006-07-27)
Orientated to the market, today exists a growing demand in managerial strategic communication in companies, and in their administration processes. Though, even with the use of the strategic planning, as administration tool, ...
Análise de dados de atropelamentos de mamíferos em um trecho da BR-471, Rio Grande do Sul
(Universidade Federal de Santa Maria, 2022-10-07)
Faced with great economic demands, road infrastructure performs an important economic service.
Its environmental impacts affect processes and natural resources, among which is the trampling of
wild animals. The collisions ...
Análise da percepção de qualidade de vida no trabalho em organizações militares: um estudo de caso
(Universidade Federal de Santa Maria, 2007-04-12)
This research, developed in the Third Military Region Maintenance Arsenal, military
organization headquartered in the central region of the state of Rio Grande do Sul, had as
objective to evaluate the levels of perception ...
Gestão da segurança da informação em colégios: uma análise da utilização da norma NBR ISO/IEC 17799
(Universidade Federal de Santa Maria, 2007-07-19)
In a globalized world, competitive, and with increasing advances in the area of technology of
communications and computer science, the information is presented in all the areas and
sectors of an organization. Thus, to ...